UUIDs in Ubuntu

List UUIDs for all the devices

UUIDs have been there since Edgy, we can use the blkid command to get a list of all the drives and partitions along with their UUIDs. Open Terminal and type:

sudo blkid

Get UUID for a particular device

If we know a device label and want to confirm the UUID for to use it in /etc/fstab, here’s how we can do it using vol_id command:

vol_id -u /dev/sdb1

The UUID can be used as an identified object like /dev/sdb1 above. the syntex is:

UUID=xxxxxxxxxxxxxxxxxxxxxxxxx

Replace the xxx with actual identifier derived from one of above commands.

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